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213222541100 = 225219469109519
BaseRepresentation
bin1100011010010100001…
…1011100011100101100
3202101100211211100221212
43012211003130130230
511443134432303400
6241541511013552
721255565460342
oct3064503343454
9671324740855
10213222541100
1182477625018
12353a796a2b8
131715083b0aa
14a46a219992
15582e1d4335
hex31a50dc72c

213222541100 has 36 divisors (see below), whose sum is σ = 462720904800. Its totient is φ = 85283856960.

The previous prime is 213222541079. The next prime is 213222541111. The reversal of 213222541100 is 1145222312.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1892141 + ... + 2001659.

Almost surely, 2213222541100 is an apocalyptic number.

213222541100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213222541100 is an abundant number, since it is smaller than the sum of its proper divisors (249498363700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213222541100 is a wasteful number, since it uses less digits than its factorization.

213222541100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129002 (or 128995 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 213222541100 its reverse (1145222312), we get a palindrome (214367763412).

The spelling of 213222541100 in words is "two hundred thirteen billion, two hundred twenty-two million, five hundred forty-one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 19469 38938 77876 97345 109519 194690 219038 389380 438076 486725 547595 973450 1095190 1946900 2190380 2737975 5475950 10951900 2132225411 4264450822 8528901644 10661127055 21322254110 42644508220 53305635275 106611270550 213222541100